[go: up one dir, main page]

AU2002300367B2 - Bi-directional grip mechanism for a wide range of bore sizes - Google Patents

Bi-directional grip mechanism for a wide range of bore sizes Download PDF

Info

Publication number
AU2002300367B2
AU2002300367B2 AU2002300367A AU2002300367A AU2002300367B2 AU 2002300367 B2 AU2002300367 B2 AU 2002300367B2 AU 2002300367 A AU2002300367 A AU 2002300367A AU 2002300367 A AU2002300367 A AU 2002300367A AU 2002300367 B2 AU2002300367 B2 AU 2002300367B2
Authority
AU
Australia
Prior art keywords
cam
arm
grip
linkages
piston
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Ceased
Application number
AU2002300367A
Other languages
English (en)
Other versions
AU2002300367A1 (en
Inventor
Joseph F. Cordera
Roger A. Post
Carl J. Roy
Todor K. Sheiretov
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Schlumberger Technology BV
Original Assignee
Schlumberger Technology BV
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Schlumberger Technology BV filed Critical Schlumberger Technology BV
Publication of AU2002300367A1 publication Critical patent/AU2002300367A1/en
Application granted granted Critical
Publication of AU2002300367B2 publication Critical patent/AU2002300367B2/en
Assigned to SCHLUMBERGER TECHNOLOGY B.V. reassignment SCHLUMBERGER TECHNOLOGY B.V. Request for Assignment Assignors: SOFITECH N.V.
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
    • E21B23/0411—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion specially adapted for anchoring tools or the like to the borehole wall or to well tube
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/10—Wear protectors; Centralising devices, e.g. stabilisers
    • E21B17/1014—Flexible or expansible centering means, e.g. with pistons pressing against the wall of the well
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/001—Self-propelling systems or apparatus, e.g. for moving tools within the horizontal portion of a borehole
    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B23/00—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells
    • E21B23/04—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion
    • E21B23/0412—Apparatus for displacing, setting, locking, releasing or removing tools, packers or the like in boreholes or wells operated by fluid means, e.g. actuated by explosion characterised by pressure chambers, e.g. vacuum chambers

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Physics & Mathematics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Mechanical Engineering (AREA)
  • Transmission Devices (AREA)
  • Earth Drilling (AREA)
  • Manipulator (AREA)
  • Automatic Tool Replacement In Machine Tools (AREA)
  • Sampling And Sample Adjustment (AREA)
AU2002300367A 2001-08-03 2002-08-01 Bi-directional grip mechanism for a wide range of bore sizes Ceased AU2002300367B2 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US09/921825 2001-08-03
US09/921,825 US6629568B2 (en) 2001-08-03 2001-08-03 Bi-directional grip mechanism for a wide range of bore sizes

Publications (2)

Publication Number Publication Date
AU2002300367A1 AU2002300367A1 (en) 2003-06-12
AU2002300367B2 true AU2002300367B2 (en) 2007-05-31

Family

ID=25446026

Family Applications (1)

Application Number Title Priority Date Filing Date
AU2002300367A Ceased AU2002300367B2 (en) 2001-08-03 2002-08-01 Bi-directional grip mechanism for a wide range of bore sizes

Country Status (7)

Country Link
US (1) US6629568B2 (no)
EP (1) EP1281834B1 (no)
AU (1) AU2002300367B2 (no)
CA (1) CA2396822C (no)
DE (1) DE60210017T2 (no)
NO (1) NO322981B1 (no)
SA (1) SA02230231B1 (no)

Families Citing this family (93)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BR9610373A (pt) * 1995-08-22 1999-12-21 Western Well Toll Inc Ferramenta de furo de tração-empuxo
US6651747B2 (en) * 1999-07-07 2003-11-25 Schlumberger Technology Corporation Downhole anchoring tools conveyed by non-rigid carriers
US6464003B2 (en) 2000-05-18 2002-10-15 Western Well Tool, Inc. Gripper assembly for downhole tractors
GB2361488B (en) * 2000-04-20 2004-05-26 Sondex Ltd Roller centralizer for wireline tools
US6935423B2 (en) * 2000-05-02 2005-08-30 Halliburton Energy Services, Inc. Borehole retention device
GB0012769D0 (en) * 2000-05-26 2000-07-19 Weatherford Lamb Restraint mechanism
GB2364079B (en) * 2000-06-28 2004-11-17 Renovus Ltd Drill bits
US7090025B2 (en) 2000-10-25 2006-08-15 Weatherford/Lamb, Inc. Methods and apparatus for reforming and expanding tubulars in a wellbore
US7121351B2 (en) * 2000-10-25 2006-10-17 Weatherford/Lamb, Inc. Apparatus and method for completing a wellbore
US8245796B2 (en) * 2000-12-01 2012-08-21 Wwt International, Inc. Tractor with improved valve system
US7121364B2 (en) * 2003-02-10 2006-10-17 Western Well Tool, Inc. Tractor with improved valve system
GB0102021D0 (en) * 2001-01-26 2001-03-14 E2 Tech Ltd Apparatus
US6920936B2 (en) * 2002-03-13 2005-07-26 Schlumberger Technology Corporation Constant force actuator
US6796380B2 (en) * 2002-08-19 2004-09-28 Baker Hughes Incorporated High expansion anchor system
GB0220933D0 (en) * 2002-09-10 2002-10-23 Weatherford Lamb Tubing expansion tool
US7048089B2 (en) * 2003-05-07 2006-05-23 Battelle Energy Alliance, Llc Methods and apparatus for use in detecting seismic waves in a borehole
US7156192B2 (en) * 2003-07-16 2007-01-02 Schlumberger Technology Corp. Open hole tractor with tracks
US7348892B2 (en) * 2004-01-20 2008-03-25 Halliburton Energy Services, Inc. Pipe mounted telemetry receiver
US7505063B1 (en) * 2004-02-17 2009-03-17 Ronald A. Basterdo Self-adjusting and centering camera mount for inspecting pipe
US7392859B2 (en) * 2004-03-17 2008-07-01 Western Well Tool, Inc. Roller link toggle gripper and downhole tractor
US7104318B2 (en) * 2004-04-07 2006-09-12 Plexus Ocean Systems, Ltd. Self-contained centralizer system
US7617873B2 (en) 2004-05-28 2009-11-17 Schlumberger Technology Corporation System and methods using fiber optics in coiled tubing
US9500058B2 (en) * 2004-05-28 2016-11-22 Schlumberger Technology Corporation Coiled tubing tractor assembly
US7334642B2 (en) * 2004-07-15 2008-02-26 Schlumberger Technology Corporation Constant force actuator
US7798225B2 (en) 2005-08-05 2010-09-21 Weatherford/Lamb, Inc. Apparatus and methods for creation of down hole annular barrier
ATE452277T1 (de) 2005-08-08 2010-01-15 Schlumberger Technology Bv Bohrsystem
US7516782B2 (en) * 2006-02-09 2009-04-14 Schlumberger Technology Corporation Self-anchoring device with force amplification
US7624808B2 (en) * 2006-03-13 2009-12-01 Western Well Tool, Inc. Expandable ramp gripper
US7748476B2 (en) 2006-11-14 2010-07-06 Wwt International, Inc. Variable linkage assisted gripper
JP4588014B2 (ja) * 2006-12-08 2010-11-24 日立Ｇｅニュークリア・エナジー株式会社 燃料交換機
US9133673B2 (en) 2007-01-02 2015-09-15 Schlumberger Technology Corporation Hydraulically driven tandem tractor assembly
US7992642B2 (en) * 2007-05-23 2011-08-09 Schlumberger Technology Corporation Polished bore receptacle
US7770667B2 (en) * 2007-06-14 2010-08-10 Wwt International, Inc. Electrically powered tractor
GB2454697B (en) 2007-11-15 2011-11-30 Schlumberger Holdings Anchoring systems for drilling tools
GB2454701B (en) * 2007-11-15 2012-02-29 Schlumberger Holdings Methods of drilling with a downhole drilling machine
US7757767B2 (en) * 2008-03-06 2010-07-20 Baker Hughes Incorporated Through tubing gun lock
US8082980B2 (en) * 2009-01-21 2011-12-27 Schlumberger Technology Corporation Downhole well access line cutting tool
US8245779B2 (en) * 2009-08-07 2012-08-21 Geodaq, Inc. Centralizer apparatus
EP2290190A1 (en) * 2009-08-31 2011-03-02 Services Petroliers Schlumberger Method and apparatus for controlled bidirectional movement of an oilfield tool in a wellbore environment
US8365822B2 (en) 2009-08-31 2013-02-05 Schlumberger Technology Corporation Interleaved arm system for logging a wellbore and method for using same
US8485278B2 (en) * 2009-09-29 2013-07-16 Wwt International, Inc. Methods and apparatuses for inhibiting rotational misalignment of assemblies in expandable well tools
US8602115B2 (en) * 2009-12-01 2013-12-10 Schlumberger Technology Corporation Grip enhanced tractoring
US20110198099A1 (en) * 2010-02-16 2011-08-18 Zierolf Joseph A Anchor apparatus and method
US8485253B2 (en) 2010-08-30 2013-07-16 Schlumberger Technology Corporation Anti-locking device for use with an arm system for logging a wellbore and method for using same
US8464791B2 (en) 2010-08-30 2013-06-18 Schlumberger Technology Corporation Arm system for logging a wellbore and method for using same
US8468882B2 (en) 2010-11-30 2013-06-25 Schlumberger Technology Corporation Method and apparatus for logging a wellbore
US9127507B2 (en) 2010-12-14 2015-09-08 Schlumberger Technology Corporation Rotatable wireline tool of enhanced hydraulic drive consistency
EP2505764B9 (en) * 2011-03-30 2014-06-11 Welltec A/S Downhole driving unit having a spring member for assembling a hydraulic motor housing
DK2505768T3 (en) * 2011-03-30 2016-06-27 Welltec As Modular well tool
EP2505767A1 (en) * 2011-03-30 2012-10-03 Welltec A/S Fail-safe spring
EP2505771A1 (en) 2011-03-30 2012-10-03 Welltec A/S Arm assembly
US10260299B2 (en) * 2011-08-05 2019-04-16 Coiled Tubing Specialties, Llc Internal tractor system for downhole tubular body
US9447648B2 (en) 2011-10-28 2016-09-20 Wwt North America Holdings, Inc High expansion or dual link gripper
US8585110B2 (en) 2011-12-31 2013-11-19 National Oilwell Varco, L.P. Internal pipe gripping tool
JP6080367B2 (ja) * 2012-02-29 2017-02-15 ケミカルグラウト株式会社 孔芯計測装置
GB2535865B (en) * 2013-07-24 2020-03-18 Bp Corp North America Inc Centralizers for centralizing well casings
US9624933B2 (en) * 2013-08-29 2017-04-18 Dresser-Rand Company Support assembly for a turbomachine
US9488020B2 (en) 2014-01-27 2016-11-08 Wwt North America Holdings, Inc. Eccentric linkage gripper
EA033627B1 (ru) * 2014-02-28 2019-11-11 Leoni Kabel Holding Gmbh Кабель, в частности индукционный кабель, способ укладки такого кабеля и вспомогательное средство для укладки
GB201406299D0 (en) 2014-04-08 2014-05-21 Acoustic Data Ltd Gauge hanger
WO2015192202A1 (en) * 2014-06-17 2015-12-23 Petrojet Canada Inc. Hydraulic drilling systems and methods
NO342655B1 (no) 2014-08-20 2018-06-25 E Holstad Holding As Apparat for tetting av en boring, et system omfattende apparatet og en fremgangsmåte ved bruk av apparatet
NO337937B1 (no) * 2014-08-20 2016-07-11 E Holstad Holding As Sentreringsanordning og fremgangsmåte for bruk av en sentreringsanordning
US9777572B2 (en) 2014-11-17 2017-10-03 Baker Hughes Incorporated Multi-probe reservoir sampling device
US10041319B2 (en) 2015-02-13 2018-08-07 Halliburton Energy Services, Inc. Downhole apparatus with anchors and failsafe high torque transmission drive
US20160298396A1 (en) * 2015-04-08 2016-10-13 Probe Technology Services, Inc. Constant force centralizer
US10378292B2 (en) 2015-11-03 2019-08-13 Nabors Lux 2 Sarl Device to resist rotational forces while drilling a borehole
CN105909234A (zh) * 2016-05-18 2016-08-31 北京富地勘察测绘有限公司 一种井下自动对中探测装置
US10907467B2 (en) 2017-06-20 2021-02-02 Sondex Wireline Limited Sensor deployment using a movable arm system and method
CA3067838C (en) 2017-06-20 2021-11-16 Sondex Wireline Limited Sensor bracket system and method for a downhole tool
WO2018237070A1 (en) 2017-06-20 2018-12-27 Sondex Wireline Limited Sensor deployment system and method
CA3067908C (en) 2017-06-20 2022-05-17 Sondex Wireline Limited Arm deployment system and method
US10927625B2 (en) 2018-05-10 2021-02-23 Colorado School Of Mines Downhole tractor for use in a wellbore
CN108798552A (zh) * 2018-06-06 2018-11-13 黑龙江兰德超声科技股份有限公司 一种滑轮式阵列感应扶正器
US11248427B2 (en) * 2018-08-06 2022-02-15 Schlumberger Technology Corporation Systems and methods for manipulating wellbore completion products
WO2020236142A1 (en) 2019-05-17 2020-11-26 Halliburton Energy Services, Inc. Passive arm for bi-directional well logging instrument
US12091922B2 (en) * 2019-08-01 2024-09-17 Chevron U.S.A. Inc. Artificial lift systems utilizing high speed centralizers
GB201917970D0 (en) 2019-12-09 2020-01-22 Innovative Drilling Systems Ltd Downhole traction tool and method of use
US11408229B1 (en) 2020-03-27 2022-08-09 Coiled Tubing Specialties, Llc Extendible whipstock, and method for increasing the bend radius of a hydraulic jetting hose downhole
US11933112B2 (en) * 2020-06-08 2024-03-19 Geodynamics, Inc. Hydraulically powered centralizer device for borehole and method
CN111550232B (zh) * 2020-06-10 2024-08-27 西安石油大学 一种并联分动式井径测井仪
WO2022015206A1 (ru) * 2020-07-13 2022-01-20 Общество с ограниченной ответственностью "Л-Петро" Устройство и способ доставки приборов в горизонтальные скважины
EP4347993A4 (en) * 2021-06-03 2025-05-07 NCS Multistage Inc. HIGH FORCE IMPACT TOOL
US11624250B1 (en) 2021-06-04 2023-04-11 Coiled Tubing Specialties, Llc Apparatus and method for running and retrieving tubing using an electro-mechanical linear actuator driven downhole tractor
CN113653453B (zh) * 2021-08-18 2024-08-09 中石化石油工程技术服务有限公司 牵引器的井下变径环境自适应调节装置及其控制方法
US11959666B2 (en) 2021-08-26 2024-04-16 Colorado School Of Mines System and method for harvesting geothermal energy from a subterranean formation
CN113931613B (zh) * 2021-09-29 2023-07-25 中国科学院武汉岩土力学研究所 一种深钻孔井下推靠定位对中系统及方法
US11965409B2 (en) * 2022-03-28 2024-04-23 Schlumberger Technology Corporation Downhole device communication using measured electrical property of supplied power
US11649687B1 (en) 2022-03-29 2023-05-16 James Dawson High expansion anti-rotation anchor catcher
USD1009088S1 (en) * 2022-05-10 2023-12-26 Kaldera, LLC Wellbore tool with extendable arms
US20250179914A1 (en) * 2023-12-05 2025-06-05 Saudi Arabian Oil Company Wireline logging in horizontal wells
CN117514983B (zh) 2024-01-05 2024-03-19 成都理工大学 一种复杂井筒自适应牵引机器人支撑机构及其控制方法
CN117738599A (zh) * 2024-02-19 2024-03-22 东营中达石油设备有限公司 一种石油开采用套管扶正器

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5433493A (en) * 1993-03-25 1995-07-18 Lifting Technologies, Inc. Apparatus for securing a load-carrying implement to a lifting member
US5765640A (en) * 1996-03-07 1998-06-16 Baker Hughes Incorporated Multipurpose tool
US6179055B1 (en) * 1997-09-05 2001-01-30 Schlumberger Technology Corporation Conveying a tool along a non-vertical well

Family Cites Families (55)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1177984A (en) 1914-09-30 1916-04-04 Robert W Beene Cable-feeder.
US2742259A (en) 1953-04-06 1956-04-17 Cormack E Boucher Conduit tractor
US2871946A (en) 1956-04-20 1959-02-03 Baker Oil Tools Inc Apparatus for effecting operation of subsurace well bore devices
US3063372A (en) * 1960-04-01 1962-11-13 Jet Res Ct Inc Apparatus for perforating wells
US3405772A (en) 1966-09-28 1968-10-15 American Coldset Corp Sampling device
US3670566A (en) 1970-12-10 1972-06-20 Go Intern Inc Apparatus for attaching a tool to a conduit in a borehole
SU481748A1 (ru) 1972-12-25 1975-08-25 Самоходное шасси дл передвижени внутри трубы
US3827512A (en) 1973-01-22 1974-08-06 Continental Oil Co Anchoring and pressuring apparatus for a drill
US3862359A (en) 1973-10-09 1975-01-21 Thiokol Corp Inflatable inspection instrument
US3890905A (en) 1974-02-01 1975-06-24 Crc Crose Int Inc Apparatus for driving a device within a pipe
US3926267A (en) 1974-07-31 1975-12-16 Valentin Konstant Svirschevsky Device for driving holes in the ground
GB1516307A (en) 1974-09-09 1978-07-05 Babcock & Wilcox Ltd Apparatus for conveying a device for inspecting or performing operations on the interior of a tube
US4095655A (en) 1975-10-14 1978-06-20 Still William L Earth penetration
CH594848A5 (no) 1976-02-24 1978-01-31 Sigel Gfeller Alwin
US4071086A (en) 1976-06-22 1978-01-31 Suntech, Inc. Apparatus for pulling tools into a wellbore
US4031750A (en) 1976-09-02 1977-06-28 Dresser Industries, Inc. Apparatus for logging inclined earth boreholes
US4177734A (en) 1977-10-03 1979-12-11 Midcon Pipeline Equipment Co. Drive unit for internal pipe line equipment
US4243099A (en) 1978-05-24 1981-01-06 Schlumberger Technology Corporation Selectively-controlled well bore apparatus
GB2029500B (en) * 1978-08-29 1982-09-22 Hayward Tyler Ltd Means for gripping the inside surface of a pipe
US4272781A (en) 1978-09-08 1981-06-09 Tokyo Shibaura Denki Kabushiki Kaisha Nondestructive examining apparatus
US4192380A (en) 1978-10-02 1980-03-11 Dresser Industries, Inc. Method and apparatus for logging inclined earth boreholes
US4325438A (en) * 1980-03-24 1982-04-20 Scientific Drilling Controls Lengthening drill string containing an instrument
US4369713A (en) 1980-10-20 1983-01-25 Transcanada Pipelines Ltd. Pipeline crawler
US4457236A (en) 1981-02-24 1984-07-03 Akhmadiev Galimzyan M Pipe internal towing carriage
CA1158182A (en) 1981-02-25 1983-12-06 Eric G. De Buda Pneumatically operated pipe crawler
DE3111814A1 (de) 1981-03-25 1982-10-07 Kraftwerk Union AG, 4330 Mülheim Selbstfahrender rohrinnenmanipulator zum fernbedienten transportieren von pruefgeraeten und werkzeugen laengs vorgegebener vorschubbahnen, vorzugsweise fuer kernkraftanlagen
ATE34821T1 (de) 1982-02-02 1988-06-15 Subscan Systems Ltd Rohrleitungsfahrzeug.
US4676310A (en) 1982-07-12 1987-06-30 Scherbatskoy Serge Alexander Apparatus for transporting measuring and/or logging equipment in a borehole
US4463814A (en) 1982-11-26 1984-08-07 Advanced Drilling Corporation Down-hole drilling apparatus
US4557327A (en) 1983-09-12 1985-12-10 J. C. Kinley Company Roller arm centralizer
FR2556478B1 (fr) 1983-12-09 1986-09-05 Elf Aquitaine Procede et dispositif de mesures geophysiques dans un puits fore
FR2559913B1 (fr) 1984-02-17 1986-05-30 Elf Aquitaine Dispositif de mesures geophysiques dans un puits fore
US4919223A (en) 1988-01-15 1990-04-24 Shawn E. Egger Apparatus for remotely controlled movement through tubular conduit
US4862808A (en) 1988-08-29 1989-09-05 Gas Research Institute Robotic pipe crawling device
US4838170A (en) 1988-10-17 1989-06-13 Mcdermott International, Inc. Drive wheel unit
GB2241723B (en) 1990-02-26 1994-02-09 Gordon Alan Graham Self-propelled apparatus
EP0524183B1 (en) 1990-04-12 1996-06-26 H T C A/S A borehole, as well as a method and an apparatus for forming it
JP3149110B2 (ja) 1990-09-28 2001-03-26 株式会社東芝 走行機構及びその走行機構を備えた走行装置
DK292690D0 (da) 1990-12-10 1990-12-10 Htc As Motor- eller pumpeaggregat
US5293823A (en) 1992-09-23 1994-03-15 Box W Donald Robotic vehicle
FR2697578B1 (fr) 1992-11-05 1995-02-17 Schlumberger Services Petrol Centreur pour sondage.
US5309844A (en) 1993-05-24 1994-05-10 The United States Of America As Represented By The United States Department Of Energy Flexible pipe crawling device having articulated two axis coupling
US5375530A (en) 1993-09-20 1994-12-27 The United States Of America As Represented By The Department Of Energy Pipe crawler with stabilizing midsection
NO940493D0 (no) 1994-02-14 1994-02-14 Norsk Hydro As Lokomotiv eller traktor for fremtrekking av utstyr i et rör eller borehull
US6003606A (en) 1995-08-22 1999-12-21 Western Well Tool, Inc. Puller-thruster downhole tool
US5794703A (en) 1996-07-03 1998-08-18 Ctes, L.C. Wellbore tractor and method of moving an item through a wellbore
GB9617115D0 (en) 1996-08-15 1996-09-25 Astec Dev Ltd Pipeline traction system
US6112809A (en) 1996-12-02 2000-09-05 Intelligent Inspection Corporation Downhole tools with a mobility device
US5848479A (en) 1997-06-18 1998-12-15 Federal Products Co. Bore gauge centralizer
US5954131A (en) 1997-09-05 1999-09-21 Schlumberger Technology Corporation Method and apparatus for conveying a logging tool through an earth formation
AR018459A1 (es) 1998-06-12 2001-11-14 Shell Int Research Metodo y disposicion para mover equipos hacia y a traves de un conducto y dispositivo de vaiven para ser usado en dicha disposicion
US6232773B1 (en) 1998-09-05 2001-05-15 Bj Services Company Consistent drag floating backing bar system for pipeline pigs and method for using the same
US6241031B1 (en) 1998-12-18 2001-06-05 Western Well Tool, Inc. Electro-hydraulically controlled tractor
US6347674B1 (en) 1998-12-18 2002-02-19 Western Well Tool, Inc. Electrically sequenced tractor
US6273189B1 (en) 1999-02-05 2001-08-14 Halliburton Energy Services, Inc. Downhole tractor

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5433493A (en) * 1993-03-25 1995-07-18 Lifting Technologies, Inc. Apparatus for securing a load-carrying implement to a lifting member
US5765640A (en) * 1996-03-07 1998-06-16 Baker Hughes Incorporated Multipurpose tool
US6179055B1 (en) * 1997-09-05 2001-01-30 Schlumberger Technology Corporation Conveying a tool along a non-vertical well

Also Published As

Publication number Publication date
US6629568B2 (en) 2003-10-07
DE60210017D1 (de) 2006-05-11
NO20023658D0 (no) 2002-08-01
SA02230231B1 (ar) 2006-10-29
DE60210017T2 (de) 2007-02-22
EP1281834B1 (en) 2006-03-22
NO20023658L (no) 2003-02-04
EP1281834A1 (en) 2003-02-05
US20030024710A1 (en) 2003-02-06
CA2396822A1 (en) 2003-02-03
NO322981B1 (no) 2006-12-18
CA2396822C (en) 2006-06-06

Similar Documents

Publication Publication Date Title
AU2002300367B2 (en) Bi-directional grip mechanism for a wide range of bore sizes
US7854258B2 (en) Self-anchoring device with force amplification
US6464003B2 (en) Gripper assembly for downhole tractors
US6715559B2 (en) Gripper assembly for downhole tractors
US7392859B2 (en) Roller link toggle gripper and downhole tractor
US6601652B1 (en) Puller-thruster downhole tool
CA2230185C (en) Puller-thruster downhole tool
EP1845230A1 (en) Constant force actuator
WO2008024925A1 (en) Wellbore tractor with fluid conduit sheath

Legal Events

Date Code Title Description
FGA Letters patent sealed or granted (standard patent)
PC Assignment registered

Owner name: SCHLUMBERGER TECHNOLOGY B.V.

Free format text: FORMER OWNER WAS: SOFITECH N.V.

MK14 Patent ceased section 143(a) (annual fees not paid) or expired